Alia Bhatt never fails to impress when it comes to fitness. The Bollywood star, known for her dedication to staying in shape, recently posted a gym video that left fans in awe. In the clip, she ...

Hand clapping is ubiquitous behavior for humans across time and cultures, serving many different purposes: to signify approval with applause, for instance, or to keep time to music. Acousticians often ...

What do applause and typhoid fever have in common? They are both contagious—at least, they fan out in ways that can be predicted by contagion theory, a bundle of models and assumptions that can apply ...